5Joosten T, Bongers I, Janssen R. Application of lean thinking to health care : issues and observations [ J ]. Int J Qual Health Care. 2009,21 ( 5 ) :341 - 347.
6Ng D, Vail G, Thomas S, et al, Applying the lean principles of the Toyota Production System to roduee wait times in the emergen- cy department[J]. CJEM,2010,12( 1 ) :50 -57.